#!/usr/bin/env python
     #
     # Copyright 2007 Doug Hellmann.
     #
     """Unified diff example
     """
     
     #end_pymotw_header
     
     import difflib
     from difflib_data import *
     
     diff = difflib.unified_diff(text1_lines, text2_lines, lineterm='')
     print '\n'.join(list(diff))